untitled
viviti
BANK BANK
SWITCHING SWITCHING
16k + 16k = 32k 32k + 32k = 64k
 
 
           
VPP   1 VCC 28   A15   1 28   VCC
       
A12   2 A14 27   A12   2 27   A14
       
A7   3 26   A13 A7   3 26   A13
       
A6   4 25   A8 A6   4 25   A8
       
A5   5 24   A9 A5   5 24   A9
       
A4   6 23   A11 A4   6 23   A11
       
A3   7 22   VPP A3   7 22   VPP
       
A2   8 21   A10 A2   8 21   A10
       
A1   9 20   CE A1   9 20   CE
       
A0   10 19   O7 A0   10 19   O7
           
O0   11 18   O6 O0   11 18   O6
       
O1   12 17   O5 O1   12 17   O5
       
O2   13 16   O4 O2   13 16   O4
       
GND   14 15   O3 GND   14 15   O3
           
   
Pin 27(A14), Must be kept Pin 1 (A15), Must be kept
open circuit open circuit
(1) A wire from Pin 14 (GND)  to Switch (1) A wire from Pin 14 (GND)  to Switch
(2) A 473(47k) resistor placed accross Pin 27 & Pin 28(Vcc) (2) A 473(47k) resistor placed accross Pin 1 & Pin 28(Vcc)
(3) A wire from Pin 27 (A14)  to Switch (3) A wire from Pin 1 (A15) to Switch
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